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dc.creatorIlijin, Larisa
dc.creatorNikolić, Maria Vesna
dc.creatorVasiljević, Zorka Z
dc.creatorTodorović, Dajana
dc.creatorMrdaković, Marija
dc.creatorVlahović, Milena
dc.creatorMatić, Dragana
dc.creatorTadic, Nenad
dc.creatorPerić-Mataruga, Vesna
dc.date.accessioned2024-05-07T07:04:33Z
dc.date.available2024-05-07T07:04:33Z
dc.date.issued2024
dc.identifier.issn0141-8130
dc.identifier.issn1879-0003
dc.identifier.urihttp://rimsi.imsi.bg.ac.rs/handle/123456789/3202
dc.description.abstractIn this work we have characterized and compared chitin sourced from exoskeleton of Tenebrio molitor larvae fed with polystyrene or plastic kitchen wrap combined with bran in the ratio 1:1 with chitin sourced from larvae exoskeleton fed only with bran. Analysis of the frass by ATR-FTIR showed very similar spectra and confirmed degradation of the plastic feed components, while ATR-FTIR analysis of the exoskeleton verified the absence of any plastic residue. Deproteinization followed by demineralization produced 6.78 -5.29 % chitin, showing that plastic (polystyrene or plastic kitchen wrap) in the larvae diet resulted in heavier insect exoskeleton, but yielded slightly less chitin, with the lowest value obtained for plastic kitchen wrap in the insect diet. The deacetylation degree of 98.17-98.61% was determined from measured ATR-FTIR spectra. XRD analysis confirmed the presence of -chitin with a crystallinity index of 66.5-62% and crystallite size 4-5 nm. Thermogravimetric analysis showed similar degradation curves for all chitin samples, with two degradation steps. These results show that chitin sourced from exoskeleton of T. molitor larvae fed with plastic (polystyrene or plastic kitchen wrap) and contributing to significant biodegradation of major polluting materials can be a feasible and alternative source of chitin, further promoting a bio-circular economy.sr
dc.language.isoensr
dc.publisherElseviersr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200053/RS//sr
dc.relationinfo:eu-repo/grantAgreement/MESTD/inst-2020/200007/RS//sr
dc.rightsopenAccesssr
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceInternational Journal of Biological Macromoleculessr
dc.subjectChitin extraction / Characterization / Plastic biodegradation / Circular economysr
dc.titleSourcing Chitin from Exoskeleton of Tenebrio molitor Fed with Polystyrene or Plastic Kitchen Wrapsr
dc.typearticlesr
dc.rights.licenseBYsr
dc.rights.holderElseviersr
dc.citation.spage131731
dc.citation.volume268
dc.identifier.doi10.1016/j.ijbiomac.2024.131731
dc.identifier.fulltexthttp://rimsi.imsi.bg.ac.rs/bitstream/id/8648/1-s2.0-S0141813024025364-main.pdf
dc.type.versionpublishedVersionsr


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